问题
填空题
JT1-C系列机车信号主要采用二取二的容错安全结构，32位浮点译码技术，（）、时域相结合的分析方式，双线圈感应器接收，以及采用一体化大容量机车信号记录器等。
答案
参考答案：频域
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JT1-C系列机车信号主要采用二取二的容错安全结构，32位浮点译码技术，（）、时域相结合的分析方式，双线圈感应器接收，以及采用一体化大容量机车信号记录器等。
参考答案：频域
| 从所给单词中选出适合句意的单词，并用其适当形式填空。 | |
2. Jim said he was too tired to walk ________, we're walked too ________ today. 3. After school, we should help parents with their ________. 4. —Have you ________ the animals, Ted? —Not yet, it's not ________ turn. 5. Many ________ don't know what they can do and what they can't do. 6. Lily performed ________ in the talent show, but she was not ________ of all. 7. My mother did the laundry last Sunday, and my father ________ the dry clothes yesterday. 8. In our class, many students can play ________ instruments. 9. Although our parents ________ with us sometimes, what they say is good for us. |